Baader 2" Nosepiece to T-2 / M48 (T-2 Part #16) - 2408150

Baader PlanetariumSKU: 2408150

Sale price$61 CAD
Only 1 unit left



  • Telescope sided 2" nose piece barrel with safety groove and 2" female filter thread (M48)
  • Eyepiece sided with countersunk T-2 thread for a variety of adaptions such as adapting to T-2 binoviewers as well as an M48 male thread (hidden beneath removeable M48 stopper ring).
  • Effective optical length only 2.5mm.


For over 30 years we have focused on the Astro T-2 thread system (M 42 x 0.75 mm); virtually every telescope manufacturer must offer this thread far ahead of the focal point of his instrument, such a universal T-ring (for DSLR cameras) can be connected. The only exceptions are (still) Russian equipment, there the thread diameter is the same, but the pitch is still 1mm per revolution - rather than 0.75mm! Therefore, we offer among other things a "Russians adapter". At only 7mm additional optical length it can allow so many Russian lenses or telescopes to be compatible with an international Astro T-2 (M 42 x 0.75mm) connector! For the sake of better recognition mostly are marked. See marking small 'a' or small 'i' in the respective indication! "a"; identifies an external thread (male); or, if Ø sign which a diameter, "i"; - a female is always (female) or - Ø character - an inner diameter.   The Optical Length The optical length describes the extension of the optical path caused by an adapter or accessory when inserted into the beam path of the telescope. The values listed in the system table rounded to 1/2 mm. For pure threaded adapters...


Manufacturer Baader Planetarium
SKU (#) 2408150
EAN Code 4047825012715
Weight (kg) 0.071
Optical length (mm) 2,5
T-2 Part # 16
Inner Diameter / Clear Aperture (mm) 38
Outer Diameter 54
Inner Connection (lens sided) Thread, T-2 (M42 x 0,75), M48
Outer Connection (lens sided) Barrel, 2" (50,8mm)
Outer Connection (eyepiece/-camera-sided) Thread, T-2 (M42 x 0,75), M48
Compatible Brands Astro T-2, UNC, Baader Planetarium, Celestron
Type of Adapter Barrel, Filter holder, Reducing piece

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